Answer:
last three questions are statistical question
Answer:
520
Step-by-step explanation:
78 = 15% × (what number)
78/0.15 = (what number) = 520
78 is 15% of 520.
Answer:
y = -x + 1
Step-by-step explanation:
eqn of line: y=mx+c
perpendicular, m1 x m2 = -1
m × 1 = -1
m = -1
y=-x+c
sub x=-5, y=6
6 = -(-5) +c
6 = 5 + c
c = 1
y = -x + 1
Answer:
0.25 times r added to 0.6 times s
Step-by-step explanation:
